-al -er -ol a-a a-b a-i aaa aab aae aai aal aam aao aar aas ab- aba abb abe abi abl abm abo abr abs aea aeb aee aei ael aem aeo aer aes ai- aia aib aie aii ail aim aio air ais al- ala alb ale ali all alm alo alr als ama amb ame ami aml amm amo amr ams aoa aob aoe aoi aol aom aoo aor aos ar- ara arb are ari arl arm aro arr ars as- asa asb ase asi asl asm aso asr ass baa bab bae bai bal bam bao bar bas bba bbb bbe bbi bbl bbm bbo bbr bbs be- bea beb bee bei bel bem beo ber bes bi- bia bib bie bii bil bim bio bir bis bla blb ble bli bll blm blo blr bls bma bmb bme bmi bml bmm bmo bmr bms boa bob boe boi bol bom boo bor bos bra brb bre bri brl brm bro brr brs bsa bsb bse bsi bsl bsm bso bsr bss eaa eab eae eai eal eam eao ear eas eba ebb ebe ebi ebl ebm ebo ebr ebs eea eeb eee eel eem eeo eer ees eia eib eie eii eil eim eio eir eis ela elb ele eli ell elm elo elr els em- ema emb eme emi eml emm emo emr ems eo- eoa eob eoe eoi eol eom eoo eor eos era erb ere eri erl erm ero err ers es- esa esb ese esi esl esm eso esr ess ia- iaa iab iae iai ial iam iao iar ias iba ibb ibe ibi ibl ibm ibo ibr ibs ie- iea iee iei iel iem ier ies iia iib iie iii iil iim iio iir iis il- ila ilb ile ili ill ilm ilo ilr ils im- ima imb ime imi iml imm imo ims io- ioa iob ioe ioi iol iom ioo ior ios ir- ira irb ire iri irl irm iro irr irs is- isa isb ise isi isl ism iso isr iss la- laa lab lae lai lal lam lao lar las lba lbb lbe lbi lbl lbm lbo lbr lbs lea leb lee lei lel lem leo ler les lia lib lie lii lil lim lio lir lis lla llb lle lli lll llm llo llr lls lma lmb lme lmi lml lmm lmo lmr lms loa lob loe loi lol lom loo lor los lra lrb lri lrm lro lrr lrs lsa lsb lse lsi lsl lsm lso lsr lss m-o m-r maa mab mae mai mal mam mao mar mas mba mbb mbe mbi mbl mbm mbo mbr mbs mea meb mee mei mel mem meo mer mes mi- mia mib mie mii mil mim mio mir mis mla mlb mle mli mll mlm mlo mlr mls mma mmb mme mmi mml mmm mmo mmr mms moa mob moe moi mol mom moo mor mos mra mrb mre mri mrl mrm mro mrr mrs msa msb mse msi msl msm mso msr mss o-i oaa oab oae oai oal oam oao oar oas ob- oba obb obe obi obl obm obo obr obs oea oeb oee oei oel oem oeo oer oes oia oib oie oii oil oim oio oir ois ola olb ole oli oll olm olo ols om- oma omb ome omi oml omm omo omr oms oo- ooa oob ooi ool oom ooo oor oos or- ora orb ore ori orl orm oro orr ors os- osa osb ose osi osl osm oso osr oss ra- raa rab rae rai ral ram rao rar ras rba rbb rbe rbi rbl rbm rbo rbr rbs re- rea reb ree rei rel rem reo rer res ria rib rie rii ril rim rio rir ris rla rle rli rll rlm rlo rlr rls rma rmb rme rmi rml rmm rmo rmr rms roa rob roe roi rol rom roo ror ros rra rrb rri rrl rrm rrr rrs rsa rsb rse rsi rsl rsm rso rsr rss saa sab sae sai sal sam sao sar sas sba sbb sbe sbi sbl sbm sbo sbr sbs se- sea seb see sei sel sem seo ser ses sia sib sie sii sil sim sio sir sis sla slb sle sli sll slm slo slr sls sma smb sme smi sml smm smo smr sms soa sob soe soi sol som soo sor sos sr- sra srb sre sri srl srm sro srr srs ss- ssa ssb sse ssi ssl ssm sso ssr sss